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Mathematics 15 Online
OpenStudy (anonymous):

Given f(x) = 2x 4 - 3x 2 - 8x + 4, what is f(3)? A. 88 B. 115 C. 131 D. 133

OpenStudy (anonymous):

i got your bacvk

OpenStudy (anonymous):

is this 2x*4-3x*2-8x+4 ?

OpenStudy (anonymous):

yeah

OpenStudy (anonymous):

........

OpenStudy (anonymous):

Im getting a negative number

OpenStudy (anonymous):

Oh..

OpenStudy (anonymous):

\[f(3)=2(3)*4-3(3)*2-8(3)+4\]

OpenStudy (anonymous):

thats your equation right?

OpenStudy (anonymous):

Yeah

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